Math Problem Statement
サッカー部14人、水泳部13人から3人をリレー競走の選手に選ぶ。組み合わせも走る順番もランダムに選んだ時、同じ部員間で1回以上バトンが渡されるオーダーになる確率は何%か。小数点以下 第一位を四捨五入して整数のみで答えよ。
Solution
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Math Problem Analysis
Mathematical Concepts
Combinatorics
Probability
Permutations
Formulas
Permutation formula P(n, r) = n! / (n - r)!
Combination formula C(n, r) = n! / (r!(n - r)!)
Probability calculation: (Number of favorable outcomes / Total number of outcomes) × 100
Theorems
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Suitable Grade Level
Grades 10-12
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